Examples with QueryScheduler org.apache.druid.server.QueryScheduler used on opensource projects

Example 1 with QueryScheduler

use of org.apache.druid.server.QueryScheduler in project druid by druid-io.

the class CachingClusteredClientPerfTest method testGetQueryRunnerForSegments_singleIntervalLargeSegments.

@Test(timeout = 10_000)
public void testGetQueryRunnerForSegments_singleIntervalLargeSegments() {
    final int segmentCount = 30_000;
    final Interval interval = Intervals.of("2021-02-13/2021-02-14");
    final List<SegmentDescriptor> segmentDescriptors = new ArrayList<>(segmentCount);
    final List<DataSegment> dataSegments = new ArrayList<>(segmentCount);
    final VersionedIntervalTimeline<String, ServerSelector> timeline = new VersionedIntervalTimeline<>(Ordering.natural());
    final DruidServer server = new DruidServer("server", "localhost:9000", null, Long.MAX_VALUE, ServerType.HISTORICAL, DruidServer.DEFAULT_TIER, DruidServer.DEFAULT_PRIORITY);
    for (int ii = 0; ii < segmentCount; ii++) {
        segmentDescriptors.add(new SegmentDescriptor(interval, "1", ii));
        DataSegment segment = makeDataSegment("test", interval, "1", ii);
        dataSegments.add(segment);
    }
    timeline.addAll(Iterators.transform(dataSegments.iterator(), segment -> {
        ServerSelector ss = new ServerSelector(segment, new HighestPriorityTierSelectorStrategy(new RandomServerSelectorStrategy()));
        ss.addServerAndUpdateSegment(new QueryableDruidServer(server, new MockQueryRunner()), segment);
        return new VersionedIntervalTimeline.PartitionChunkEntry<>(segment.getInterval(), segment.getVersion(), segment.getShardSpec().createChunk(ss));
    }));
    TimelineServerView serverView = Mockito.mock(TimelineServerView.class);
    QueryScheduler queryScheduler = Mockito.mock(QueryScheduler.class);
    // mock scheduler to return same sequence as argument
    Mockito.when(queryScheduler.run(any(), any())).thenAnswer(i -> i.getArgument(1));
    Mockito.when(queryScheduler.prioritizeAndLaneQuery(any(), any())).thenAnswer(i -> ((QueryPlus) i.getArgument(0)).getQuery());
    Mockito.doReturn(Optional.of(timeline)).when(serverView).getTimeline(any());
    Mockito.doReturn(new MockQueryRunner()).when(serverView).getQueryRunner(any());
    CachingClusteredClient cachingClusteredClient = new CachingClusteredClient(new MockQueryToolChestWareHouse(), serverView, MapCache.create(1024), TestHelper.makeJsonMapper(), Mockito.mock(CachePopulator.class), new CacheConfig(), Mockito.mock(DruidHttpClientConfig.class), Mockito.mock(DruidProcessingConfig.class), ForkJoinPool.commonPool(), queryScheduler, NoopJoinableFactory.INSTANCE, new NoopServiceEmitter());
    Query<SegmentDescriptor> fakeQuery = makeFakeQuery(interval);
    QueryRunner<SegmentDescriptor> queryRunner = cachingClusteredClient.getQueryRunnerForSegments(fakeQuery, segmentDescriptors);
    Sequence<SegmentDescriptor> sequence = queryRunner.run(QueryPlus.wrap(fakeQuery));
    Assert.assertEquals(segmentDescriptors, sequence.toList());
}

Example 2 with QueryScheduler

use of org.apache.druid.server.QueryScheduler in project druid by druid-io.

the class SqlResourceTest method setUp.

@Before
public void setUp() throws Exception {
    final QueryScheduler scheduler = new QueryScheduler(5, ManualQueryPrioritizationStrategy.INSTANCE, new HiLoQueryLaningStrategy(40), new ServerConfig()) {

        @Override
        public <T> Sequence<T> run(Query<?> query, Sequence<T> resultSequence) {
            return super.run(query, new LazySequence<T>(() -> {
                if (sleep) {
                    try {
                        // pretend to be a query that is waiting on results
                        Thread.sleep(500);
                    } catch (InterruptedException ignored) {
                    }
                }
                return resultSequence;
            }));
        }
    };
    executorService = MoreExecutors.listeningDecorator(Execs.multiThreaded(8, "test_sql_resource_%s"));
    walker = CalciteTests.createMockWalker(conglomerate, temporaryFolder.newFolder(), scheduler);
    final PlannerConfig plannerConfig = new PlannerConfig() {

        @Override
        public boolean shouldSerializeComplexValues() {
            return false;
        }
    };
    final DruidSchemaCatalog rootSchema = CalciteTests.createMockRootSchema(conglomerate, walker, plannerConfig, CalciteTests.TEST_AUTHORIZER_MAPPER);
    final DruidOperatorTable operatorTable = CalciteTests.createOperatorTable();
    final ExprMacroTable macroTable = CalciteTests.createExprMacroTable();
    req = EasyMock.createStrictMock(HttpServletRequest.class);
    EasyMock.expect(req.getRemoteAddr()).andReturn(null).once();
    EasyMock.expect(req.getAttribute(AuthConfig.DRUID_AUTHENTICATION_RESULT)).andReturn(CalciteTests.REGULAR_USER_AUTH_RESULT).anyTimes();
    EasyMock.expect(req.getAttribute(AuthConfig.DRUID_ALLOW_UNSECURED_PATH)).andReturn(null).anyTimes();
    EasyMock.expect(req.getAttribute(AuthConfig.DRUID_AUTHORIZATION_CHECKED)).andReturn(null).anyTimes();
    EasyMock.expect(req.getAttribute(AuthConfig.DRUID_AUTHENTICATION_RESULT)).andReturn(CalciteTests.REGULAR_USER_AUTH_RESULT).anyTimes();
    req.setAttribute(AuthConfig.DRUID_AUTHORIZATION_CHECKED, true);
    EasyMock.expectLastCall().anyTimes();
    EasyMock.expect(req.getAttribute(AuthConfig.DRUID_AUTHENTICATION_RESULT)).andReturn(CalciteTests.REGULAR_USER_AUTH_RESULT).anyTimes();
    EasyMock.replay(req);
    testRequestLogger = new TestRequestLogger();
    final PlannerFactory plannerFactory = new PlannerFactory(rootSchema, CalciteTests.createMockQueryMakerFactory(walker, conglomerate), operatorTable, macroTable, plannerConfig, CalciteTests.TEST_AUTHORIZER_MAPPER, CalciteTests.getJsonMapper(), CalciteTests.DRUID_SCHEMA_NAME);
    lifecycleManager = new SqlLifecycleManager() {

        @Override
        public void add(String sqlQueryId, SqlLifecycle lifecycle) {
            super.add(sqlQueryId, lifecycle);
            if (lifecycleAddLatch != null) {
                lifecycleAddLatch.countDown();
            }
        }
    };
    final ServiceEmitter emitter = new NoopServiceEmitter();
    sqlLifecycleFactory = new SqlLifecycleFactory(plannerFactory, emitter, testRequestLogger, scheduler) {

        @Override
        public SqlLifecycle factorize() {
            return new TestSqlLifecycle(plannerFactory, emitter, testRequestLogger, scheduler, System.currentTimeMillis(), System.nanoTime(), validateAndAuthorizeLatchSupplier, planLatchSupplier, executeLatchSupplier, sequenceMapFnSupplier);
        }
    };
    resource = new SqlResource(JSON_MAPPER, CalciteTests.TEST_AUTHORIZER_MAPPER, sqlLifecycleFactory, lifecycleManager, new ServerConfig());
}